Specifications: - 1pc Drill Adapter: H7 - 1pc 1/4" Dr. Sliding T Bar: 110mm (L) - 1pc Spinner Handle: 1/4" Dr.150mm (L) - 1pc 1/2" Dr. Bits Coupler: 8mm, 12.5mm (L) - 2pcs Universal Joint: 1/4", 1/2" Dr. - 2pcs 1/2" Dr. Spark Plug Socket: 16/21mm - 2pcs Ratchet Socket Wrench: 1/2" Dr. 24T 255mm (L) & 1/4" Dr. 24T 155mm (L) - 3pcs Allen Key: 1.5/2/2.5mm - 4pcs 1/2" Dr. Deep Socket: 14-15-17-19mm - 6pcs 1/4" Dr. Extension Bar & 1/2" Dr. 3-way Adapter: 1/4" extension bar: 2" & 4", 1/2" extension bar: 5" & 10" Flexible extension bar: 145mm - 8pcs 1/4" Dr. Deep Socket: 6-7-8-9-10-11-12-13mm - 13pcs 1/4" Dr. Socket: 4-4.5-5-5.5-6-7-8-9-10-11-12-13-14mm - 15pcs Bits: T40-45-50-55, H8-10-12-14, PZ3-4，PH3-4, SL8-10-12 - 17pcs 1/4" Dr. Bits Sockets: T8-10-15-20-25-30, H3-4-5-6, PZ1-2，PH1-2, SL4-5.5-7 - 18pcs 1/2" Dr. Socket: 10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-27-30-32mm